Direttore generale

Mehdi Malek

Mehdi Malek è il direttore generale di Arsam Metal. Guida la rete di approvvigionamento e la parte tecnica dell'azienda, e decide in ultima istanza con quale specifica, quali documenti e in quale data parte un lotto. Sul blog scrive delle domande che fonderie e acciaierie si pongono ogni giorno: quale lega, quale pezzatura, quale certificato serve davvero.

Articoli

Choosing a recarburizer: CPC, GPC or calcined anthracite for your melt?

Recarburizer choice for grey iron, ductile iron and steel: fixed carbon, sulphur, nitrogen, recovery and the cost per kg of dissolved carbon. When GPC pays.

2026-10-147 min

What documents does an EU buyer ask for in a ferroalloy quote, and which ones actually apply?

COA, MTC 3.1, CBAM emissions data, A.TR and EUR.1: which document applies to which ferroalloy or SiC shipment into the EU, and what to send with your RFQ.

2026-10-147 min

Silicon carbide in the induction furnace: instead of FeSi, or alongside it?

Metallurgical SiC brings both Si and C and keeps nucleation alive longer than FeSi. How much FeSi and carbon it replaces, when to add it, and the break-even price.

2026-09-247 min

Si Metal 441 or 553? Choosing the right grade for aluminum casting and silicone chemistry

Si Metal 441 (Fe≤0.4%, Ca≤0.1%) vs 553 (Fe≤0.5%, Ca≤0.3%): Al-Si casting intermetallics, Rochow-process trace-element control, and the real grade-cost call.

2026-07-086 min

HC FeMn or FeSiMn? The metallurgy behind the manganese alloying decision

Choosing between high-carbon ferromanganese and ferrosilicomanganese: deoxidation, desulfurization, dosage math and EAF bath chemistry. Mn ≥65% spec, per-ton cost difference.

2026-06-156 min

FeSiMg Mg fade kinetics in ductile iron: why the 10-minute window is real

The 10-minute critical window from nodularization to pour. Mg fade physics, FeSiMg particle size logic, and numbers from a Turkish foundry case.

2026-04-246 min